133040023655 has 64 divisors (see below), whose sum is σ = 205554585600. Its totient is φ = 80245209600.

The previous prime is 133040023643. The next prime is 133040023661. The reversal of 133040023655 is 556320040331.

It is not a de Polignac number, because 133040023655 - 2¹⁴ = 133040007271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2552546 + ... + 2604144.

It is an arithmetic number, because the mean of its divisors is an integer number (3211790400).

Almost surely, 2^133040023655 is an apocalyptic number.

133040023655 is a deficient number, since it is larger than the sum of its proper divisors (72514561945).

133040023655 is a wasteful number, since it uses less digits than its factorization.

133040023655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51840.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 133040023655 its reverse (556320040331), we get a palindrome (689360063986).

The spelling of 133040023655 in words is "one hundred thirty-three billion, forty million, twenty-three thousand, six hundred fifty-five".